Q93 · CSIR-NET Chemistry, June 2015
Paper: CSIR-NET June 2015 · Subject: Physical Chemistry · Chapter: Polymer Chemistry · Topic: Polymer Chemistry – General · Marks: 2 · Difficulty: Easy
The stability of a lyophobic colloid is the consequence of
(a)van der Waals attraction among the solute-solvent adducts
(b)Brownian motion of the colloidal particles
(c)insolubility of colloidal particles in solvent
(d)electrostatic repulsion among double layered colloidal particles
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
Lyophobic sols are stabilised kinetically by the electrostatic repulsion between the electric double layers of like-charged particles (DLVO theory).
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